This product can be used for titration analysis, qualitative and quantitative analysis, etc. It should be stored in a cool, ventilated place, sealed, and used within its expiration date. To obtain the product's Certificate of Analysis (COA), please visit www.howeipharm.com to view and download it.
Standard : Q/HWC032-2020 广州和为医药科技有限公司化学品制造标准
Product No. : CD100639
Product Name : Urea
Product Spec. : 分析纯 AR,≥99.0%
Packges : 100g 500g 1kg 25kg
分子式 : NH2CONH2
分子量 : 60.06
贝尔斯坦(Beilstein)注册号 : 635724
EINECS 编号 : 200-315-5
MDL编号 : MFCD00008022
PubChem Substance ID : 24900645
CAS号 : 57-13-6
颜色外观 Color Appearance : 白色球状颗粒 White granule
含量 Assay(H2NCONH2) : ≥99.0%
澄清度试验 Clarity of solution : 合格 Pass
水中不溶物 Insoluble matter in water : ≤0.005%
燃烧残余 Residue on ignition(as sulfate) : ≤0.01%
氯化物 Chloride(Cl) : ≤0.0003%
硫酸盐 Sulfate(SO4) : ≤0.001%
氨 Ammonia (NH3) : ≤0.005%
铁 Iron(Fe) : ≤0.0002%
重金属（以 Pb 计）Heavy metals(as Pb) : ≤0.0002%
缩二脲 Biuret (C2H5N3O2) : ≤0.2%
熔点 Melting poin，℃ : 132 ℃-135 ℃
Shelf Life ： 730 Days
COA ： Have COA
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